Primitive builders dig an underground relaxation room and shape a grass-covered roof. The project includes a sunken bathing area, a simple exercise space and a bathtub supplied with groundwater.
Primitive Survival Tool on MSN
Primitive builders' two-story underground house nearly collapses
A group uses primitive tools and manual labor to dig and shape a two-story underground house. As the build goes deeper, a structural mistake forces them to reinforce areas they had already finished.
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